Complexometric Determination Of Water Hardness By Angelica Aquino CHM 152 LL January 5‚ 2013 METHODS: 1. Prepare an approximate 0.004 M disodium EDTA solution. To prepare this solution‚ weigh about 0.7-0.8 g of Na2EDTA and dissolve in 500 mL deionized water in your plastic bottle. Make to to shake the bottle to dissolve the salt. 2. Obtain a 250-mL Erlenmeyer flask and transfer a 10 mL of CaCO3 using a buret into the flask. 3. Measure 30 mL of deionized water and add it into the titration
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My word is actually a phrase‚ my phrase is “sense of humor.” Sense of humor has a few different meanings I think. The dictionary definition for it is; the trait of appreciating and being able to express the humorous. It means to be able to appreciate‚ understand‚ and make your own humorous things. Understanding sarcasm in speaking‚ funny actions‚ and catching puns‚ etc. are some examples of things you need a sense of humor to understand. People’s sense of humor are not usually the same. Your opinions
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* Ellen started a blog to protest the CEO’s bonus‚ noting that no one below director has gotten a raise in two (2) years and portraying her bosses as “know-nothings” and “out-of-touch”. Ellen started a blog to protest the CEO’s bonus. The employer would need to make sure that Ellen’s post had not been commented on by other employees who were in agreement with her. The company should also look to its’ social media policy if it has one. The employer could be covered if the policy states that employees
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ganguly‚ Chattejee‚ Dey‚2011). Eichhornia crassipes‚ water hyacinth is a lignocellulosic material which is considered as a good source of biomass. water hyacinth is compose of different fiber s: lignin‚ cellulose‚ and hemicelluloses. INTRODUCTION Water lilies also known as water hyacinth are aquatic plants found in countries with
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family whenever they need me. I enjoy helping people and everyone knows they can count on me. I want to be an international journalist. I’m really interested in global health issues and human rights. To be an international journalist‚ First in importance is learning English perfectly. Also‚ I would need to understand the culture and religions of the countries I was visiting. As a female‚ there are many down sides of this profession. But I will over come. Thank you. First‚ I am definitely an
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Q1 Q1 A) The sudden closure of valve at the end of a pipeline cause sudden change in the water velocity which in turn creates a phenomenon called water hammer. The water in motion is forced to stop or change direction suddenly (momentum change) and a pressure wave propagates in the pipe. It ’s also called hydraulic shock. The effect of this event can be effectively multiplied many times by the geometry of a piping system if the pressure wave is allowed to reflect‚ or bounce‚ back and forth
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Ecology Essay Water makes up 75% of your body and is absolutely necessary for living. But do we know what we are drinking when we drink bottled‚ Recycled‚ and tap water? You might think it really does not matter‚ i mean they are all the same clean water right? Well‚ according to Rebecca Ephriham water that individuals and our families drink could contain deadly toxins‚ and can even cause cancer and other life threatening diseases. Some water is much cleaner than others and a much better choice for
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It honestly depends on how you revise. Personally‚ I copied up notes from each lesson that I had and made sure all the topics were neatly organised‚ so by the time the course was finished I had done all my notes for revision‚ aided from two textbooks and lessons. This mean that from when I broke up in December I had all my revision materials ready to revise from and all I had to do was sit there and learn it! So I’m guessing if you do it that way you would have at least three weeks of solid revision
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Coconut Water Wax A Breakthrough in Fruit Preservation ABSTRACT This study utilized coconut water to produce a wax preservative for fruit and other foodstuff. Different fresh fruits were collected and assigned to four different treatments: * Treatment I (Control): fresh fruits without anything done * Treatment 2: fruits soaked in coconut water for 10 minutes * Treatment 3: fruits covered with coconut water wax * Treatment 4: refrigerated fruits The fruits used were oranges
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Celeste Davis Mr. Barham Adv. Hon English 1: 5th Period 6 Feb 2016 500 Days of Summer Shines Bright Despite the title‚ (500) Days of Summer is not about a sunny romance‚ as the film opens with the statement “This is not a love story. But‚ rather‚ a story about what love can do to you” (Douthat). The film demonstrates what relationships are truly like. The story begins with sappy romantic Tom‚ a greeting card writer‚ and his love interest Summer‚ who has been burned once to many times by love’s ways
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